<!--<div id="output"></div>-->
<div class="login">
  <section class="form-item">
    <aside class="left">
      <label for="login-name">用户名</label>
    </aside>
    <article>
      <input type="text" id="login-name" placeholder="your user name">
    </article>
  </section>
  <section class="form-item">
    <aside>
      <label for="login-password">密&nbsp;码</label>
    </aside>
    <article>
      <input type="text" id="login-password" placeholder="your password">
    </article>
  </section>
  <section class="form-item">
    <article>
      <button>登陆</button>
    </article>
  </section>
</div>
